| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 735 |
93.8%
|
| 2 | SOME DIFFICULTY | 16 |
2%
|
| 3 | A LOT OF DIFFICULTY | 9 |
1.1%
|
| 4 | CANNOT BE UNDERSTOOD AT ALL | 4 |
0.5%
|
| Sysmiss | 20 |
2.6%
|